Finding the Fourth Proportional to 207,210,123.19, 310,661,956.25 and 125,310,793.84
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Solution
The fourth proportional to 207,210,123.19, 310,661,956.25 and 125,310,793.84 is: 187,873,525.45
Step by Step Solution
- Step 1: Write the proportion equation
207,210,123.19 : 310,661,956.25 = 125,310,793.84 : x - Step 2: Convert to fraction form
207,210,123.19/310,661,956.25 = 125,310,793.84/x - Step 3: Cross multiply
207,210,123.19x = 310,661,956.25 × 125,310,793.84 - Step 4: Simplify right side
207,210,123.19x = 38,929,296,353,111,472 - Step 5: Solve for x
x = 38,929,296,353,111,472/207,210,123.19 - Step 6: Final answer
x = 187,873,525.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.